Home / 428,112,616,688.90-590,806,608,095.65-232,807,321,227.76

Finding the Fourth Proportional to 428,112,616,688.90, 590,806,608,095.65 and 232,807,321,227.76

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Solution

The fourth proportional to 428,112,616,688.90, 590,806,608,095.65 and 232,807,321,227.76 is: 321,280,192,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,112,616,688.90 : 590,806,608,095.65 = 232,807,321,227.76 : x
  2. Step 2: Convert to fraction form
    428,112,616,688.90/590,806,608,095.65 = 232,807,321,227.76/x
  3. Step 3: Cross multiply
    428,112,616,688.90x = 590,806,608,095.65 × 232,807,321,227.76
  4. Step 4: Simplify right side
    428,112,616,688.90x = 137,544,103,794,407,318,224,896
  5. Step 5: Solve for x
    x = 137,544,103,794,407,318,224,896/428,112,616,688.90
  6. Step 6: Final answer
    x = 321,280,192,249.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.